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Made a discovery while working on boat. Help!
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<blockquote data-quote="jigngrub" data-source="post: 409118" data-attributes="member: 6657"><p>Looks like galvanic corrosion to me, trapped water that has sat and the oxygen has been depleted. As the oxygen depletes the water becomes acidic and pits/corrodes the aluminum.</p><p></p><p>The best fix is to prep, fill the pitting with a epoxy type filler like JB Weld marine or Loc-tite Marine epoxy, prime with a self etching primer and paint with a quality marine coating/paint.</p><p></p><p>Have you checked your transom plywood? Chances are you have the same pitting and corrosion between the back of the plywood and the inside of the hull. Use the same fix as described above to repair that mess too.</p></blockquote><p></p>
[QUOTE="jigngrub, post: 409118, member: 6657"] Looks like galvanic corrosion to me, trapped water that has sat and the oxygen has been depleted. As the oxygen depletes the water becomes acidic and pits/corrodes the aluminum. The best fix is to prep, fill the pitting with a epoxy type filler like JB Weld marine or Loc-tite Marine epoxy, prime with a self etching primer and paint with a quality marine coating/paint. Have you checked your transom plywood? Chances are you have the same pitting and corrosion between the back of the plywood and the inside of the hull. Use the same fix as described above to repair that mess too. [/QUOTE]
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Made a discovery while working on boat. Help!
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